1. A student walks 160 m in 150 s. The student stops for 30 s and then walks 210 m farther in 140 s. What is the average speed of the entire walk?

0.53 m/s

0.80 m/s

1.2 m/s

1.3 m/s

A

B

C

D

2. This table gives the position of a car as a function of time.

What is the average velocity during the interval 2 s to 3 s?

0 m/s

2 m/s

3 m/s

4 m/s

A

B

C

D

3. Consider this displacement vs. time graph representing the motion of a bicyclist.

What is the average velocity of the bicyclist between 0 and 3 seconds?

3.3 m/s

5.0 m/s

7.5 m/s

10. m/s

A

B

C

D

4. If the acceleration of a truck over a given time interval is zero, how does the instantaneous velocity of that truck at any instant during that interval compare to its average velocity over the interval?

Instantaneous velocity would be greater than average velocity.

Instantaneous velocity would be less than average velocity.

Instantaneous velocity would equal average velocity.

Instantaneous velocity will vary in value compared to average velocity.

A

B

C

D

5. A car travels from A to B at a constant 100 km/hr.

Which of the following changes?

speed

velocity

frame of reference

speed and velocity

A

B

C

D

6. A person walks 10 km due east, then 30 km at 60° N of E. What is the shortest route back to his starting point?

36 km at 46° S of W

36 km at 46° N of E

40 km at 46° S of W

40 km at 46° N of W

A

B

C

D

7. An airplane went from 120 m/s to 180 m/s in 4.0 seconds. What was its acceleration?

15 m/s/s

30. m/s/s

45 m/s/s

60. m/s/s

A

B

C

D

8. Which position vs. time graph indicates an object undergoing uniformly accelerated motion?

A

B

C

D

9. A rocket lifts vertically off the launching pad and reaches a final velocity of 450 m/s in 15 seconds. What is its acceleration?

30. m/s/s

45 m/s/s

60 m/s/s

450 m/s/s

A

B

C

D

10. What does the area bound by this velocity curve and time axis represent?

acceleration

displacement

position

velocity

A

B

C

D

11. What does the slope of the line on this graph represent?

displacement

average velocity

acceleration

momentum

A

B

C

D

12. The graph represents the velocity of a car.

What is the displacement of the car during the time interval shown?

0.18 m

5.7 m

140 m

280 m

A

B

C

D

13. This displacement-time graph below represents the motion of a cart along a straight line.

During which interval was the cart accelerating?

I - II

II - III

III - IV

IV - V

A

B

C

D

14. Based on this graph, which is constant?

displacement

position

time

velocity

A

B

C

15. This graph shows the position of a car along a straight path as a function of time.

What is the car's velocity at 2.0 sec?

1.25 m/s

2.50 m/s

5.00 m/s

A

B

C

D

16. This is a velocity vs. time graph of an object.

What is the velocity of the object at t = 3s?

- 2 m/s

0 m/s

1 m/s

2 m/s

A

B

C

D

17. What does the shaded area of the acceleration vs. time graph indicate?

total displacement

change in velocity

instantaneous velocity

average displacement

A

B

C

D

18. This is an acceleration vs. time graph of an object.

If the object's initial velocity is 0 m/s, what is the velocity of an object at t = 8.0 s?